Improvement in machines for winding thread on spools



3 SheetsSheet I.

W. CLARK. MACHINE FOR WINDING THREAD 0N SPOOLS. No. 189,697. PatentedApril 17, 1877.

FIG. 1

C K K J L in I E: K

WITNESSES:

INVENTOR.

N.FETB1S, FHOTO-IJTHOGRAPNER, WASHINGTON, D G.

3 Sheets-Sheet 2.

W. CLARK. MACHINE FOR WINDING THREAD on SPOOLS. 189,697.

Patented Apri117, 1877.

FIG. 2.

1 VJ J T WITNESSES:

INVENTOR.

c u m m m n E W a m m G o m m m m P s m H J u 3SheetsSheet 3.

W. CLARK. MACHINE FOR WINDING THREAD 0N SPOOLS. No. 189,697. Patented.April 17, 1877.

FIG 6.

WITNESSES:

- %zz;h. ZA/Z INVENTOH NJFEI'EFLB, PHDTO-UTHOGRAPHER, WASHINGTON. D C,

UNITED STATES PATENT OFFICE.

WILLIAM CLARK, OF NEWARK, NEW JERSEY.

IMPROVEMENT IN MACHINES FO;R WINDING THREAD ON SPOOLS.

Specification formingpart of LettersPatent No. 1 89,697, dated April 17,1877; application filed January 11, 1577.

To all whom it may concern:

Be it known that I, WILLIAM CLARK, of Newark, in the county of Essex andState of New Jersey, have invented a new and useful Improvement inMachines for Winding Thread on Spools, which improvement is fully setforth in the following specification, reference being had to theaccompanying drawings.

This invention pertains to certain improvements in the well-knownthread-winding machines of William Weild; and it consists in providinga'guiding-channel for the threadguide, which will at all times cause itto travel parallel to the axis of the spool, and thereby lay the threadon the spool in a true cylindrical form, instead of bulging, as is oftenthe case. a

Figure 1 is a partial section and elevation of a portion of athread-winding machine, as seen from the front side. Fig. 2 is atransverse section through the line a b. Fig. 3 is a plan of the partsas seen from above the machine; and Fig. 4 represents, in detail, theyielding device for controlling the threadgnide.

As such machines are very complex in their complete organization, it isnot necessary to refer to the several parts in detail further than toshow the nature of the improvements and their relation to the otherworking parts.

At A is represented the spool upon which the thread is to be wound forthe market, and as the machines are usually built, eight spools are inoperation at the same time, and each one under the control of the samekind of mechanism, and is therefore merely a duplicate of that shown inthe drawings. Said spool, instead of being mounted on a mandrel orrotating axis extending through it, as heretofore, is caught between twocenters, which are tapering, as shown at B B in Fig. 1, and

which extends from each end of the spool only part of the distance ofits length inward, as shown in said figure. Said centers, in addition tobeing made conical or tapering, are provided with angles or projectingribs, extending lengthwise, to press into the wood of the spool, wherebythe driving-mandrel may rotate the spool, and the spool, in turn, mayrotate the mandrel at the other end.

The driving-mandrel'is shown at B, and

the other is shown at B, and both are mounted in suitable bearings,similar to the mandrels of a lathe. The mandrel B is, however, mountedin ajournal-box in its upright, (shown at (1,) and its rear end enters abracket, as at D, and is held in a bearing in said bracket by a pinextending into a groove, (shown atE, Fig. 1,) and said bracket ismounted upon and attached to a guide-rod, as at F, which receives ato-and-fro motion from the cam-wheel G, which also gives a correspondingmotion to the driving-mandrel B by a similar connection, and at the sametime, and thereby draws the mandrels B and B apart, and also shoves themtoward each other when taking a spool from the hopper, which is shown atH, which is best seen in Fig. 2, and into which the spools are placed bythe operative, keeping it so supplied that when the filled spool isdropped from the windingmandrels, another is ready at the bottom of thehopper to be lifted up to a point between the mandrels, so that they canenter its centers and repeat the operation of the preceding one.

The hopper is lifted to a proper position by a cam-wheel, (not hereshown;) but it is raised immediately upon the dropping ot' the filledspool, and automatically, as in the Weild machine.

The thread-guide is shown at K, and it is attached to a bracket, as at Kwhich extends out from a guide-rod, as at K and which has a to-and-fromotion, controlled by mechanism, (not here shown,) to make the propertraverses on the spool; but for the purpose of giving the requisiteamount of pressure upon the guide as it lays the thread upon the spool,a crankarm, as at L, is attached upon one end of the guide-rod, and itextends down into a grooved segment, a section of which is shown at L,Fig. 4c, and this segment is mounted upon an arm, as at L which ispivoted at L and to its upper end there is attached a draw bar or rod,as at M, and connected with it, and another crank-arm at N, which isupon a shaft that has a weight and chain attached, to give the pressureupon the thread-guide.

Now, in the Weild machine, this draw bar or rod M is pivoted to its rearend, and is directly attached to the crank-arm on the guiderod;consequently, in the operation of traversing, there is a slight travelof the guide in the arc of a circle, caused by the radial motion of thedraw bar or rod M; but it is evident that as the arm L travels in astraight groove in the segment at L, this radial action is obviated, andthe pressure upon the spool is continually the same from one end to theother, so that the thread is laid smoothly in a perfect cylinder.

The other parts, all having been described in the patent to WilliamWeild, need not be further mentioned here.

WILLIAM CLARK.

Witnesses CHAS. H. LEONARD, FRANK MOLAUGHLIN.

